[FFmpeg-devel] [PATCH 1/1] avcodec/mpegutils: add motion_vec debug mode

[Chema Gonzalez]

Hi Paul,

Can you please describe how you can get the MV values?

Thanks,
-Chema


On Thu, Sep 1, 2022 at 10:52 AM Paul B Mahol <onemda at gmail.com> wrote:
>
> On Thu, Sep 1, 2022 at 5:06 PM Chema Gonzalez <chema at berkeley.edu> wrote:
>
> > Hi,
> >
> > All the other debug modes (qp, skip, mb_type) use the same approach.
> >
> >
> This adds to much code for something that is already possible.
>
>
> > -Chema
> >
> >
> > On Thu, Sep 1, 2022 at 6:30 AM Ronald S. Bultje <rsbultje at gmail.com>
> > wrote:
> > >
> > > Hi,
> > >
> > > On Wed, Aug 31, 2022 at 7:10 PM Chema Gonzalez <chemag at gmail.com> wrote:
> > >>
> > >> Add a new debug mode ("motion_vec") that prints the values of the
> > >> motion vectors (MV).
> > >
> > >
> > > Isn't this super-hacky? In a well-designed system, a codec might export
> > its MVs using designated structs (which we already have) and then use these
> > structs to print it in a codec-agnostic way using a filter (which IIRC we
> > already have?).
> > >
> > > Ronald
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